Home / 2,702.59-4,052.90-1,385.91

Finding the Fourth Proportional to 2,702.59, 4,052.90 and 1,385.91

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Solution

The fourth proportional to 2,702.59, 4,052.90 and 1,385.91 is: 2,078.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,702.59 : 4,052.90 = 1,385.91 : x
  2. Step 2: Convert to fraction form
    2,702.59/4,052.90 = 1,385.91/x
  3. Step 3: Cross multiply
    2,702.59x = 4,052.90 × 1,385.91
  4. Step 4: Simplify right side
    2,702.59x = 5,616,952.26
  5. Step 5: Solve for x
    x = 5,616,952.26/2,702.59
  6. Step 6: Final answer
    x = 2,078.36

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.